Words similar to arcana

Example sentences for: arcana

How can you use “arcana” in a sentence? Here are some example sentences to help you improve your vocabulary:

They burrow into the arcana of their topics and inundate potential acolytes with a barrage of pedantic details.
Thus it is user-unfriendly of a dictionary—any reference book, in fact—to exhibit a style so involved as to be virtually unassimilable save by a dedicated, experienced few: except for the arcana, dictionary style should be revealed transparently to anyone picking up the book, and no one should be required to take a course in dictionary navigation or to spend half an hour adjusting his eyes to read reams of six-point type.
The overall mining coverage is fairly steeped in the arcana of international treaties and weapons systems, giving it a rather remote flavor.
But as I slavishly grind away at the keyboard coding my assigned arcana, I often observe my neuronic (or is it neurotic?)
(Which they've obviously rehearsed, since it includes such arcana as the provenance of the ochre used in the enamel-painting for Lepine watches in the 1840s.)